Now to today's bizarre confrontation on a jumbo jet packed with passengers heading for one of america's busiest airports when one passenger started screaming about poison. Gio benitez has the details on a string of scarce at 30,000 feet. Reporter: Just hours after passengers on board say he started screaming on the last leg of the 15 hour united flight from hong kong to newark. Saying he was fearing for his life, that he couldn't land in the u.S., That we needed to divert the plane. Reporter: This passenger says he took action as the suspect reached for something in his jacket a few guys on the plane jumped on him and threw him to the floor. He saw everybody as a threat and thought everybody was working for the fbi, the cia. There was no time to understand or thinking. We needed to restrain him. Reporter: Roizen says the suspect mentioned the name of snowed p, the whistle blower who leaked secrets, hiding out in kong hong. He was drawing a parallel. Reporter: This is the third flight in four days with threatening paejts. Friday a passenger an board a flight in denver claimed to have a bomb in his backpack. On saturday an egypt air flight from cairo to new york diverted to scott land off finding a note in the bathroom. This incident is still under investigation. Out west word tonight that an answer may be near on where

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